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प्रश्न
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage in gene therapy for ADA deficiency.
Reason: Cells in the embryonic stage are immortal, differentiated and easy to manipulate.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are true and R is not the correct explanation of A.
A is true but R is false.
A is False but R is true.
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उत्तर
A is true but R is false.
Explanation:
A is true, but R is false. R can be corrected as embryonic cells are immortal, undifferentiated, and easy to control. Embryonic cells are pluripotent, meaning they can develop into any somatic cell type.
संबंधित प्रश्न
State the Function of Chorionic Villi
Mention any two functions of the human placenta.
Eye lens is formed from ______.
Which of the following hormones is not a secretory product of human placenta?
In the event of pregnancy, the corpus luteum persists under the influence of ______.
Relaxin is the hormone secreted by the placenta.
The concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?
The human foetus within the uterus
- Oxygen
- Amino Acids
- Carbon dioxide
- Urea
Read the following and answer from given below:
Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to pregnancy.
The correct sequence of various structures formed during embryonic development is ______
Explain the phases in embryonic development from the morula stage till the establishment of pregnancy in a human female.
During embryogenesis in dicots, the zygote divides into a basal cell and a terminal cell. The basal cell divides repeatedly to produce a structure called suspensor. Carefully observe the image given below and describe the function of cell – A and cell – B of the suspensor.
Zygote
